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Winding 6,000 kilometers through undulating mountains, it is said to be visible with the naked eye from the moon; historians, engineers, and scientists explore one of the wonders of the ancient world.

Modern Marvels

The Great Wall of China

From Stonehenge to the Hubbell Telescope, mankind has always been a race of stargazers; unforgettable film footage and expert accounts reveal the facts of astronomy's most mind-boggling discoveries.

Observatories: Stonehenge to the Space Telescopes

Since the turn of the 20th century, designers have competed to build them faster, taller, and steeper; as technology pushes the envelope with flips, weightlessness, and more g-force than a jet, they have to calculate how much can the human body take.

Roller Coasters: The Search for the Ultimate Thrill Ride

Standing majestically for centuries, the world's great pyramids have long inspired and mystified scholars; leading experts and historians explore the engineering genius that created some of the largest structures on the planet.

Size Matters: Pyramids - Majesty and Mystery

The history of photography beginning as early as the eleventh century; the advancements by Niepce and Daguerre in the 19th century and William Henry Fox and George Eastman in the 20th century.

Captured Light

In our century, the computer has evolved from a crude punch-card tabulating machine into a lightning-fast worldwide information grid.

The Computer

An exploration of the world's most popular entertainment, from the boy genius who invented it to the RCA "General" who made it a reality.

Television: Window to the World

Celebrate the ingenuity and imagination found in the world around us. 24/7 episodes of Modern Marvels, television's most innovative series.

The intense competition, the romance, the success and disappointment that led to the miracle of long distance communication.

The Telephone

The complete story of the feuds, the mistakes, ingenuity, and successes that made movies possible and kept Edison at the front of the inventor pack; rare early films from the Edison Studios.

The Motion Picture

Thomas Edison announces plans for the central lighting of New York before an electrical system exists or electric light is invented.

The Electric Light

The history of one of Thomas Edison's first inventions, the phonograph; rare photographs and recordings document Edison's race against Alexander Graham Bell.

The Phonograph

Built with the pioneering use of steel-wire support cables, the Brooklyn Bridge became an instant symbol of American pride; rare photographs and behind-the-scenes stories recall the politics, the struggles, and the tragedies that made it possible.

Brooklyn Bridge

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Stories of those who believed in dreams and defied the commonplace with their extraordinary creations; covering some of the world's architectural and engineering structures, scientific inventions, and social wonders.

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Tunnels, whether underwater, blasted through solid rock or negotiating the shifting strata of the Earth's unstable crust, represent a remarkable feat of engineering.

S2 E19 | Tunnels